binutils: disable gprofng

I don't use it and it does not link statically when the toolchain
itself got linked static. reported via mailinglist.

toolchain/binutils/Makefile

@@ -67,6 +67,7 @@ endif
 		--enable-obsolete \
 		--disable-werror \
 		--disable-gprof \
+		--enable-gprofng=no \
 		--disable-install-libiberty \
 		${CONFOPTS} \
 	);